am c92f3bcd: am e11a1b4d: am f817218e: dumpstate: Pick up the last kernel log from /proc

Merge commit 'c92f3bcd556be6086aabcdcf437cc29c2ac605f6'

* commit 'c92f3bcd556be6086aabcdcf437cc29c2ac605f6':
  dumpstate: Pick up the last kernel log from /proc